Injection assist device



FIG. 1 is a front and top perspective view of an injection assist device in accordance with my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is rear elevational view thereof.

The bottom view of the injection assist device is not shown in the drawings nor described in the specification and, therefore, forms no part of the claimed design.

The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design. 

CLAIM The ornamental design for an injection assist device, as shown and described. 